#define _CRT_SECURE_NO_WARNINGS


#include<stdio.h>

int Add(int x, int y)
{
	int c = 0;
	c = x + y;
	return c;
}
int main()
{
	int a = 10; 
	int b = 20;
	int c = 0;
	c = Add(a, b);
	printf("%d\n", c);
	return 0;
}